1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/fsl,mqs.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NXP Medium Quality Sound (MQS)
8
9maintainers:
10  - Shengjiu Wang <[email protected]>
11  - Chancel Liu <[email protected]>
12
13description: |
14  Medium quality sound (MQS) is used to generate medium quality audio
15  via a standard GPIO in the pinmux, allowing the user to connect
16  stereo speakers or headphones to a power amplifier without an
17  additional DAC chip.
18
19properties:
20  compatible:
21    enum:
22      - fsl,imx6sx-mqs
23      - fsl,imx8qm-mqs
24      - fsl,imx8qxp-mqs
25      - fsl,imx93-mqs
26      - fsl,imx943-aonmix-mqs
27      - fsl,imx943-wakeupmix-mqs
28      - fsl,imx95-aonmix-mqs
29      - fsl,imx95-netcmix-mqs
30
31  clocks:
32    minItems: 1
33    maxItems: 2
34
35  clock-names:
36    minItems: 1
37    maxItems: 2
38
39  gpr:
40    $ref: /schemas/types.yaml#/definitions/phandle
41    description: The phandle to the General Purpose Register (GPR) node
42
43  reg:
44    maxItems: 1
45
46  power-domains:
47    maxItems: 1
48
49  resets:
50    maxItems: 1
51
52required:
53  - compatible
54  - clocks
55  - clock-names
56
57allOf:
58  - if:
59      properties:
60        compatible:
61          contains:
62            enum:
63              - fsl,imx8qm-mqs
64              - fsl,imx8qxp-mqs
65    then:
66      properties:
67        clocks:
68          items:
69            - description: Master clock
70            - description: Clock for register access
71        clock-names:
72          items:
73            - const: mclk
74            - const: core
75      required:
76        - reg
77        - power-domains
78    else:
79      properties:
80        clocks:
81          items:
82            - description: Master clock
83        clock-names:
84          items:
85            - const: mclk
86      required:
87        - gpr
88
89additionalProperties: false
90
91examples:
92  - |
93    #include <dt-bindings/clock/imx6sx-clock.h>
94    mqs0: mqs {
95        compatible = "fsl,imx6sx-mqs";
96        gpr = <&gpr>;
97        clocks = <&clks IMX6SX_CLK_SAI1>;
98        clock-names = "mclk";
99    };
100
101  - |
102    #include <dt-bindings/firmware/imx/rsrc.h>
103    mqs1: mqs@59850000 {
104        compatible = "fsl,imx8qm-mqs";
105        reg = <0x59850000 0x10000>;
106        clocks = <&mqs0_lpcg 0>, <&mqs0_lpcg 1>;
107        clock-names = "mclk", "core";
108        power-domains = <&pd IMX_SC_R_MQS_0>;
109    };
110